Granted Patent
Utility
US 6,496,527 · App. 09/669,686
Ultraviolet laser apparatus and gas for ultraviolet laser
Inventors:
Katsutomo Terashima, Osamu Wakabayashi, Akira Sumitani
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Sep 26, 2000
Inventors
Katsutomo Terashima
Osamu Wakabayashi
Akira Sumitani
Assignee (at issue)
KOMATSU LTD.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.